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RHC PH.204.11 - Reverse of RHC PH.205.11 Chemistry staff and students c.1899.jpg - Stinglehammer
RHC PH.205.11 Chemistry staff and students c.1899.jpg - Stinglehammer
RHC PH.205.11 Chemistry staff and students c.1899 (cropped).jpg - SaharMah
Historic Benzene Formula Thiele 1899 (original).png - Leyo